CN101306273A - Strap filter-press dehydration technique and device - Google Patents
Strap filter-press dehydration technique and device Download PDFInfo
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- CN101306273A CN101306273A CNA2008100596372A CN200810059637A CN101306273A CN 101306273 A CN101306273 A CN 101306273A CN A2008100596372 A CNA2008100596372 A CN A2008100596372A CN 200810059637 A CN200810059637 A CN 200810059637A CN 101306273 A CN101306273 A CN 101306273A
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Abstract
The invention discloses a belt press filtering dehydration process and a device. The belt press filter dehydration process increases the area of pressure for press filtering dehydration of dehydrated materials from small to large according to the running direction of a filter belt, and the received dehydration pressure is gradually increased from small to large according to the running direction of the filter belt. The outside diameter of a press roller body of the belt press filtering dehydration device is constant, two or more bosses or grooves are formed on the surface of the roller body, and the surface area of the press roller body is gradually increased from small to large according to the running direction of the filter belt. The process of the invention can gradually strengthen the dehydration press of the dehydrated materials under the condition of keeping the tension and the diameter of the press roller unchanged, and has the advantages of convenient implementation and good press effect; and the device of the invention can simplify the structure of a belt press filter, and avoid the phenomena that the filter belt becomes looser and looser or tighter and tighter, and sludge leaking, creasing or lengthening of the filter belt and so on occur in the operation of the prior art on the premise of ensuring the press effect, thereby effectively preventing the sludge from transverse leaking and improving the efficiency of the press dehydration.
Description
Technical field
The present invention relates to a kind of solid-liquid separation process and equipment, particularly a kind of belt filter-press dehydration technique and equipment that is applicable to the viscosity mud of the high frictional force of processed.
Background technology
What the prior art belt filter press adopted is to carry out the mechanism filter-pressing dewatering process by pressure roller and filter bag, upper and lower two filter bags of dehydrated material outside being wound in pressure roller wrap down, be subjected to the tension force extruding of pressure roller transmission and shear action and dewater, the method that the diameter of general employing pressure roller reduces gradually increases dehydration pressure, improves press dewatering efficient.Prior art is handled the viscosity mud of high frictional force under the high-tension condition, such as tension force greater than 10 Newton/millimeter, when handling fiber-like mud, pressure roller arrangement from big to small can make filter bag walk more loose and more loose at press section, phenomenons such as mud, filter bag wrinkle occur running, can make dehydrating operations normally to carry out when serious.
Disclose in the Chinese patent application 200710068654.8 " a kind of solid-liquid separating method and equipment " a kind of employing independently filter bag carry out the above squeezing of two-stage or the two-stage pressure method and apparatus of continuous band press dewatering from low to high.The higher-pressure region pressure roller diameter of its multistage press dewatering is arranged from small to large or is kept diameter the same along the filter cake direction of motion, make linear velocity balance between the pressure roller of higher-pressure region, tension band does not produce fold distortion or lax in the pressurization motion, guaranteed the normal operation of equipment.Yet when pressure roller were arranged from small to large, filter bag had the problem of walking tighter and tighter and being elongated in that press section is in service, and then influences the service life of filter bag and whole belt filter press; And when using with the footpath pressure roller, the dehydration pressure that filter cake is subjected to is the same all the time, increases pressure roller quantity and can only prolong the squeezing time, can not reach supercharging purpose gradually, has restricted the further raising of press dewatering efficient.
Summary of the invention
Technical problem to be solved by this invention is, overcome prior art because the pressure roller roller directly changes or do not change existing defective, a kind of belt filter-press dehydration technique and the equipment that can strengthen gradually under the constant condition of pressure roller diameter the dehydration squeezing of dehydrated material is provided.
The present invention addresses the above problem the technical scheme that is adopted: this belt filter-press dehydration technique, be to carry out belt machinery filter-press dehydration technique by pressure roller and filter bag, dehydrated material outside being wound in pressure roller on, following two filter bags wrap down, be subjected to tension force extruding and shear action dehydration that pressure roller transmit, be characterized in: this belt filter-press dehydration technique adopts the roll body peripheral diameter constant, the pressure roller that the roll body surface area increases progressively from small to large according to the filter bag traffic direction, the compression area of dehydrated material filter-press dehydration is increased from small to large according to the filter bag traffic direction, and the dewatering pressure that is subjected to increases progressively from small to large according to the filter bag traffic direction.
The size of the described pressure roller surface area of belt filter-press dehydration technique of the present invention is by changing the surperficial boss that is provided with of pressure roller roll body or quantity, width and/or the height of projection of groove, recessed degree of depth adjustment.
The present invention addresses the above problem the technical scheme that is adopted: this belt filter-press dehydration equipment, comprise filter bag, pressure roller, filter bag drive unit, filter bag swelling device, filter bag deviation correcting device, filter bag cleaning device, feed arrangement and device for discharging, its design feature is: described pressure roller roll body peripheral diameter is constant, and pressure roller roll body surface area increases progressively from small to large according to the filter bag traffic direction.
The described pressure roller roll body of belt filter-press dehydration equipment of the present invention surface is provided with 2 or 2, and the width of described boss is 3～25mm with convex platform or groove, and the recessed degree of depth of the height of projection of boss or groove is 2～20mm.
The boss that the described pressure roller roll body of belt filter-press dehydration equipment of the present invention surface is provided with is 2 or 2 above raised line circles vertical with roll shaft, the quantity of described raised line circle increases from less to more according to the filter bag traffic direction, the width of raised line circle is constant, be 5～10mm, the height of projection of raised line circle is constant, is 3～6mm.
The boss that the described pressure roller roll body of belt filter-press dehydration equipment of the present invention surface is provided with is 2 or 2 above raised line circles vertical with roll shaft, the height of projection of described raised line circle reduces from high to low according to the filter bag traffic direction, the quantity of raised line circle is constant, the width of raised line circle is constant, be 5～10mm, the height of projection of described raised line circle is 3～6mm.
The boss that the described pressure roller roll body of belt filter-press dehydration equipment of the present invention surface is provided with comprises and roll shaft vertical 2 or 2 above raised line circles and 2 or 2 or more the horizontal raised line parallel with roll shaft, the quantity and the height of projection of the raised line circle that is provided with on the pressure roller according to the arrangement of filter bag traffic direction are constant, the quantity of described horizontal raised line increases progressively from less to more according to the filter bag traffic direction, the width and the height of projection of horizontal raised line are constant, and it is identical with the width and the height of projection of raised line circle, width is 5～10mm, and height of projection is 3～6mm.
The raised line circle that the described pressure roller of belt filter-press dehydration equipment of the present invention two ends are provided with adopts the raised line circle with high outside and low outside domatic, and described pressure roller adopt encapsulate pressure roller or straight forming pressure roller.The raised line circle of high outside and low outside domatic can make the dehydrated material of part pressurized when being pressed against the pressure roller two ends, is subjected to the resistance that domatic raised line circle progressively strengthens, and has improved the seal degree between pressed zone, can prevent effectively that dehydrated material from running material, leaking mud.
The described pressure roller of belt filter-press dehydration equipment of the present invention are to pressing pressure roller, the roll body surface of two pressure roller of pressing is respectively arranged with more than 2 or 2 the boss or the groove of coupling mutually, the convex surface of described boss and the concave surface of groove all are arcuation, boss or groove fit place clearance margin are little, broad in the middle, the edge is that 3～4mm, centre are 8～10mm, and the quantity of described boss or groove increases progressively from less to more according to the filter bag traffic direction.
The described pressure roller of belt filter-press dehydration equipment of the present invention adopt encapsulate pressure roller or straight forming pressure roller.
The encapsulate pressure roller are the elasticity pressure roller, and cover material is selected the rubber-like material for use, such as rubber; The method of encapsulate can be press mold moulding or die cast; The straight forming pressure roller are the rigidity pressure roller, and forming method can adopt metalworking moulding or founding moulding.
Belt filter-press dehydration technique of the present invention compared with prior art has the following advantages: 1, this filter-press dehydration technique passes through to change pressure roller roll body surface area under the certain situation of pressure roller diameter, the compression area and the pressed volume of filter cake are increased gradually, and then the pressure of change squeezing, realize the purpose of press dewatering, principle science, technology advanced person.2, process of the present invention is provided with boss and groove on the pressure roller surface, the surface area of pressure roller is regulated in the design of the width by boss and groove, density, the depth, along the filter bag direction of motion, the surface area of pressure roller is increased gradually, under all constant condition of tension force and pressure roller diameter, can strengthen dehydration squeezing gradually to dehydrated material, overcome prior art pressure roller roller and directly changed or do not change existing defective, had and implement advantage convenient, that squeezing is effective.
Belt filter-press dehydration equipment of the present invention compared with prior art has the following advantages: 1, this belt filter-press dehydration device structure is reasonable, adopted the roller footpath constant, the pressure roller that surface area increases gradually along the filter cake direction of motion satisfy the requirement that press dewatering pressure increases gradually, substitute prior art by increasing or reduce pressure roller roller footpath along the dehydrated material direction of motion gradually and increasing the structure of squeezing tension force, guaranteeing to squeeze under the prerequisite of effect, not only simplified the belt filter press structure, and the filter bag of having avoided the prior art belt filter press to be in operation because of the pressure roller roller directly changes producing is walked more loose and more loose or is walked tighter and tighter at press section, mud takes place to run, filter bag wrinkle or phenomenon such as be elongated, thus the drawback that equipment runs well influenced; Also solved prior art pressure roller diameter and do not changed, squeezing is supercharging gradually, the problem that dehydrating effect is bad.2, the boss and the groove of the setting of the pressure roller of belt filter-press dehydration equipment of the present invention surface have good crosswise fixed effect to dehydrated material, can effectively prevent from laterally to run mud.3, because the existence of pressure roller boss and groove makes inner generation of dehydrated material rub and shear mutually, can increase the dehydrating amount of dehydrated material, and then improve the press dewatering efficient of filter-press dehydration equipment.
Description of drawings
Fig. 1 is belt filter-press dehydration apparatus embodiments pressed zone structural representation Fig. 1 of the present invention.
Fig. 2 be among Fig. 1 embodiment 11
# Pressure roller 1 enlarged diagram.
Fig. 3 be among Fig. 1 embodiment 12
# Pressure roller 2 enlarged diagrams.
Fig. 4 be among Fig. 1 embodiment 13
# Pressure roller 3 enlarged diagrams.
Fig. 5 be among Fig. 1 embodiment 14
# Pressure roller 4 enlarged diagrams.
Fig. 6 be among Fig. 1 embodiment 21
# Pressure roller 1 enlarged diagram.
Fig. 7 be among Fig. 1 embodiment 22
# Pressure roller 2 enlarged diagrams.
Fig. 8 be among Fig. 1 embodiment 23
# Pressure roller 3 enlarged diagrams.
Fig. 9 be among Fig. 1 embodiment 24
# Pressure roller 4 enlarged diagrams.
Figure 10 be among Fig. 1 embodiment 31
# Pressure roller 1 enlarged diagram.
Figure 11 be among Fig. 1 embodiment 32
# Pressure roller 2 enlarged diagrams.
Figure 12 be among Fig. 1 embodiment 33
# Pressure roller 3 enlarged diagrams.
Figure 13 be among Fig. 1 embodiment 34
# Pressure roller 4 enlarged diagrams.
Figure 14 be among Fig. 1 embodiment 41
# Pressure roller 1 enlarged diagram.
Figure 15 be among Fig. 1 embodiment 42
# Pressure roller 2 enlarged diagrams.
Figure 16 be among Fig. 1 embodiment 43
# Pressure roller 3 enlarged diagrams.
Figure 17 be among Fig. 1 embodiment 41
#Pressure roller working condition enlarged diagram.
Figure 18 is belt filter-press dehydration apparatus embodiments pressed zone structural representation Fig. 2 of the present invention.
Figure 19 be among Figure 18 5 pairs of pressures of embodiment 7
# Pressure roller 7 and 10
# Pressure roller 10 enlarged diagrams.
Figure 20 be among Figure 18 5 pairs of pressures of embodiment 6
# Pressure roller 6 and 9
# Pressure roller 9 enlarged diagrams.
The specific embodiment
Belt filter-press dehydration technique embodiment of the present invention:
This belt filter-press dehydration technique is a kind of by pressure roller upper and lower two filter bags outer with being wound in pressure roller, the belt machinery filter-press dehydration technique that makes dehydrated material be subjected to the tension force extruding of pressure roller transmission and shear action and dewater, embodiment strengthens the press dewatering pressure that dehydrated material is subjected to gradually by compression area and the pressed volume that changes in the dehydrated material pressure-filtering process under the certain situation of tension force and pressure roller diameter.The pressure roller roll body peripheral diameter that it adopts is constant, the roll body surface area increases progressively from small to large according to the filter bag traffic direction, because pressure roller roll body surface area increases progressively from small to large according to the filter bag traffic direction, make the dehydrated material that wraps in filter bag, compression area in filter-press dehydration increases from small to large according to the filter bag traffic direction, the dewatering pressure that is subjected to increases progressively from small to large according to the filter bag traffic direction, realizes the continuous dehydration of dehydrated material.The size of embodiment pressure roller surface area is adjusted by boss of changing its surface and being provided with or quantity, width and/or the height of projection of groove, the recessed degree of depth.The setting of boss or groove makes the pressure roller surface be divided into projection and depression two parts, during press dewatering, a part of material is stored within the sunk part of pressure roller and bears the pressure that this part material should bear at this nip by the pressure roller raised surface; In whole press dewatering process, width, density, the depth by design boss and groove are regulated compression area and the volume of material on pressure roller, along the filter bag direction of motion, the volume of sunk part reduces gradually, the volume of bossing increases gradually, so just is implemented in the dehydration squeezing of strengthening gradually under all constant condition in tension force and pressure roller footpath dehydrated material.
Belt filter-press dehydration apparatus embodiments structure of the present invention is referring to accompanying drawing.
Embodiment 1:
Referring to Fig. 1～Fig. 5, this belt filter-press dehydration equipment lace-tied type filter press, it mainly by filter bag a, according to equipment traffic direction tactic 1
#, 2
#, 3
#, 4
# Pressure roller 1～4, filter bag drive unit, filter bag swelling device, filter bag deviation correcting device, filter bag cleaning device, feed arrangement and device for discharging constitute.This belt filter press 1
#, 2
#, 3
#, 4
# Pressure roller 1～4 adopt the encapsulate pressure roller, the recessed degree of depth that the roll body surface is provided with 2 or 2 above heights of projection or groove is 2～20mm, the boss width is boss or the groove 12 of 3～25mm, by the quantity of boss and groove 12 is set, the width and the depth, pressure roller 1～4 roll body surface area is increased progressively from small to large according to filter bag a traffic direction, thereby regulate compression area and the volume of dehydrated material on pressure roller 1～4, along the filter bag direction of motion, the volume of groove 12 reduces gradually, the volume of boss increases gradually, so just is implemented in the dehydration squeezing of strengthening gradually under all constant condition in tension force and roller footpath dehydrated material.In addition, the appropriate design of quantity, width and the depth of test discovery boss and groove 12 is very important to the degree of wear that reduces filter bag.
The boss that embodiment pressure roller 1～4 roll body surface is provided with is 2 or 2 above raised line circles 11 vertical with roll shaft, and the quantity of raised line circle 11 increases from less to more according to filter bag a traffic direction, shown in Fig. 2～4, and 1
# Pressure roller 1 surperficial two ends and centre are provided with 3 raised line circles 11,2 altogether
# Pressure roller 2 surperficial two ends and centre are provided with 4 raised line circles 11,3 altogether
# Pressure roller 3 surperficial two ends and centre are provided with 6 raised line circles 11,4 altogether
# Pressure roller 4 surperficial two ends and centre are provided with 9 raised line circles 11 altogether.Because the width of all raised line circles 11 of present embodiment is all the same with height of projection, width all is 5～10mm, and height of projection is 3～6mm, therefore, and 1
#, 2
#, 3
#, 4
#Peripheral diameter is identical behind the encapsulate pressure roller encapsulate, the diameter that raised line circle 11 back pressure roller 1～4 surperficial grooves 12 that form are set is also identical, the area of raised line circle 11 projectioies increases successively according to encapsulate pressure roller order, the area of groove 12 successively decreases successively, during use, be filtered the dehydrated material that strap clamp wraps up in and strengthen gradually in filter bag extruding of encapsulate pressure roller and the shear action that is subjected in service.Shown in Fig. 2～4, all there is raised line circle 11 both sides of encapsulate pressure roller, align with the outside of pressure roller in the outside of raised line circle 11, can play to prevent that material from running the edge sealing effect of mud.A is that belt filter press charging aperture, B are discharging opening among Fig. 1.
The present embodiment pressure roller adopt flexible encapsulate pressure roller, also can select the straight forming pressure roller of rigidity for use.The cover material of encapsulate pressure roller uses such as rubber and so on rubber-like material, takes the encapsulation methods of press mold moulding or die cast to make; The straight forming pressure roller are taked metalworking moulding or the manufacturing of founding forming method.
Embodiment 2:
Referring to Fig. 1, Fig. 6～9,1 of this belt filter-press dehydration equipment
#, 2
#, 3
#, 4
#The boss that the roll body surface of pressure roller 1,2,3,4 is provided with is the same with embodiment 1, also is the raised line circle 11 vertical with roll shaft.4 pressure roller all are provided with 4 raised line circles 11, the width of raised line circle 11 all is 5～10mm, but the height of projection of the raised line circle 11 of each pressure roller setting is to reduce from high to low according to filter bag a traffic direction, pressure roller 1～4 peripheral diameter behind the encapsulate is identical, and groove 12 diameter differences increase successively according to the order of encapsulate pressure roller, the same with embodiment 1, groove 12 inner areas are corresponding to successively decrease successively, and during press dewatering, the dewatering pressure that passes to dehydrated material by 4 pressure roller increases gradually.
Other structure and the use of present embodiment are same as embodiment 1.
Embodiment 3:
Referring to Fig. 1, Figure 10～13,1 of this embodiment belt filter-press dehydration equipment
#, 2
#, 3
#, 4
#The boss that pressure roller 1,2,3,4 roll bodies surfaces is provided with has and roll shaft vertical 2 or 2 above raised line circles 11 and 2 or 2 or more the horizontal raised line 13 parallel with roll shaft, according to filter bag a traffic direction arrange 1
#, 2
#, 3
#, 4
#The raised line circle that is provided with on the pressure roller 1,2,3,4 is 3, and its width is the same with height of projection, and width is 5～10mm, and height of projection is 3～6mm; Shown in Figure 10～13, the quantity of horizontal raised line 13 increases progressively 1 from less to more according to filter bag a traffic direction
#4 horizontal raised lines 13,2 are set on the pressure roller 1
#6 horizontal raised lines 13,3 are set on the pressure roller 2
#8 horizontal raised lines 13,4 are set on the pressure roller 3
#10 horizontal raised lines 13 are set on the pressure roller 4, and the width and the height of projection of the horizontal raised line 13 that is provided with on each pressure roller are constant, and identical with the width and the height of projection of raised line circle 11.
Crisscross raised line circle 11 and horizontal raised line 13 on the present embodiment pressure roller, when belt filter press turned round, 11 pairs of dehydrated materials of raised line circle had extruding, shear action, and can prevent to run material; Horizontal raised line 13 can avoid material to shrink back when advancing pressure roller, is beneficial to charging, effectively improves output.
Other structure and the use of present embodiment are same as embodiment 1.
Embodiment 4:
Referring to Fig. 1, Figure 14～16, this embodiment is the same with embodiment 1, according to equipment traffic direction tactic 1
#, 2
#, 3
#, 4
#The raised line circle that quantity increases is set on the pressure roller 1～4, and different is the raised line circle 14 of the raised line circle employing of two ends setting on each pressure roller with high outside and low outside domatic.
During use, referring to Figure 17, the raised line circle 14 of the high outside and low outside domatic of pressure roller two ends band the seal degree that improves between pressed zone is set, can make the dehydrated material b that wraps at the part pressurized under the filter bag a when being pressed against the pressure roller two ends, be subjected to domatic 15 stop of domatic raised line circle 14, be difficult for material taking place to run, leaking the mud phenomenon.
Other structure and the use of present embodiment are same as embodiment 1.
Embodiment 5:
Referring to Figure 18, the pressed zone of this belt filter-press dehydration equipment is to pressing the squeezing form, adopt two or more to press pressure roller as one group to pressure roller, present embodiment is furnished with 6 pressure roller 5～10, wherein has two groups to pressure roller, is respectively 7
# Pressure roller 7 and 10
# Pressure roller 10,6
# Pressure roller 6 and 9
#Pressure roller 9.Two groups to the structure of pressing pressure roller referring to Figure 19 and 20, the roll body surface of two pressure roller of pressing is respectively arranged with more than 2 or 2 the boss 16 or the groove 17 of coupling mutually, the concave surface of the convex surface of boss 16 and groove 17 all is arcuation, boss 16 or groove 17 cooperation place clearance margin are little, broad in the middle, the edge is that 3～4mm, centre are 8～10mm, the quantity of boss 16 or groove 17 increases progressively from less to more according to filter bag a traffic direction, as shown in figure 20, and 9
# Pressure roller 9 are provided with 2 boss 16, corresponding 6 at two ends
#Pressure roller 6 are provided with 2 grooves 17 at two ends; Shown in Figure 19,10
# Pressure roller 10 are provided with 3 boss 16, corresponding 7 at two ends and centre
#Pressure roller 7 are provided with 3 grooves 17 at two ends and centre.Every group to pressing the encapsulate pressure roller press the quantity that the equipment traffic direction increases boss 16 or groove 17, can increase the compression face of dehydrated material gradually, makes dehydrated material be subjected to shear extrusion repeatedly, increase material dehydrating amount.Simultaneously, under the situation of pressure roller to pressure, the design of boss 16 or groove 17 can improve located lateral performance in the pressure roller rotation.
Present embodiment to pressing the boss 16 or the groove 17 that are provided with on the pressure roller roll surface is and the vertical vertical arrangement of squeezing roll shaft, also can with squeezing roll shaft parallel transversely arranged or criss-cross arrangement, the boss 16 or the groove 17 that adopt criss-cross arrangement are set, the press dewatering that helps viscous material is handled, and prevents from that material from skidding to run material.
Other structure and the use of present embodiment are same as embodiment 1.
Claims (10)
1, a kind of belt filter-press dehydration technique, be to carry out belt machinery filter-press dehydration technique by pressure roller and filter bag, dehydrated material outside being wound in pressure roller on, following two filter bags wrap down, be subjected to tension force extruding and shear action dehydration that pressure roller transmit, it is characterized in that: this belt filter-press dehydration technique adopts the roll body peripheral diameter constant, the pressure roller that the roll body surface area increases progressively from small to large according to the filter bag traffic direction, the compression area of dehydrated material filter-press dehydration is increased from small to large according to the filter bag traffic direction, and the dewatering pressure that is subjected to increases progressively from small to large according to the filter bag traffic direction.
2, belt filter-press dehydration technique according to claim 1 is characterized in that: the size of described pressure roller surface area is by changing the surperficial boss that is provided with of pressure roller roll body or quantity, width and/or the height of projection of groove, recessed degree of depth adjustment.
3, a kind of belt filter-press dehydration equipment of belt filter-press dehydration technique manufacturing according to claim 1, comprise filter bag, pressure roller, filter bag drive unit, filter bag swelling device, filter bag deviation correcting device, filter bag cleaning device, feed arrangement and device for discharging, it is characterized in that: described pressure roller roll body peripheral diameter is constant, and pressure roller roll body surface area increases progressively from small to large according to the filter bag traffic direction.
4, belt filter-press dehydration equipment according to claim 3, it is characterized in that: described pressure roller roll body surface is provided with 2 or 2 with convex platform or groove, the width of described boss is 3～25mm, and the recessed degree of depth of the height of projection of boss or groove is 2～20mm.
5, belt filter-press dehydration equipment according to claim 4, it is characterized in that: the boss that described pressure roller roll body surface is provided with is 2 or 2 above raised line circles vertical with roll shaft, the quantity of described raised line circle increases from less to more according to the filter bag traffic direction, the width of raised line circle is constant, be 5～10mm, the height of projection of raised line circle is constant, is 3～6mm.
6, belt filter-press dehydration equipment according to claim 4, it is characterized in that: the boss that described pressure roller roll body surface is provided with is 2 or 2 above raised line circles vertical with roll shaft, the height of projection of described raised line circle reduces from high to low according to the filter bag traffic direction, the quantity of raised line circle is constant, the width of raised line circle is constant, be 5～10mm, the height of projection of described raised line circle is 3～6mm.
7, belt filter-press dehydration equipment according to claim 4, it is characterized in that: the boss that described pressure roller roll body surface is provided with comprises and roll shaft vertical 2 or 2 above raised line circles and 2 or 2 or more the horizontal raised line parallel with roll shaft, the quantity of the raised line circle that is provided with on the pressure roller according to the arrangement of filter bag traffic direction, width and height of projection are constant, the quantity of described horizontal raised line increases progressively from less to more according to the filter bag traffic direction, the width and the height of projection of horizontal raised line are constant, and it is identical with height of projection with the width of raised line circle, width is 5～10mm, and height of projection is 3～6mm.
8, according to claim 5 or 6 or 7 described belt filter-press dehydration equipment, it is characterized in that: the raised line circle that described pressure roller two ends are provided with adopts the raised line circle with high outside and low outside domatic, and described pressure roller adopt encapsulate pressure roller or straight forming pressure roller.
9, belt filter-press dehydration equipment according to claim 4, it is characterized in that: described pressure roller are to pressing pressure roller, the roll body surface of two pressure roller of pressing is respectively arranged with more than 2 or 2 the boss or the groove of coupling mutually, the convex surface of described boss and the concave surface of groove all are arcuation, boss or groove fit place clearance margin are little, broad in the middle, the edge is that 3～4mm, centre are 8～10mm, and the quantity of described boss or groove increases progressively from less to more according to the filter bag traffic direction.
10, belt filter-press dehydration equipment according to claim 9 is characterized in that: described pressure roller adopt encapsulate pressure roller or straight forming pressure roller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100596372A CN101306273B (en) | 2008-01-30 | 2008-01-30 | Strap filter-press dehydration technique and device |
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|---|---|---|---|
| CN2008100596372A CN101306273B (en) | 2008-01-30 | 2008-01-30 | Strap filter-press dehydration technique and device |
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| CN101306273A true CN101306273A (en) | 2008-11-19 |
| CN101306273B CN101306273B (en) | 2010-06-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102205191A (en) * | 2010-03-31 | 2011-10-05 | 沈阳禹华环保有限公司 | Belt press filter for superfine and strong viscous materials |
| CN102701562A (en) * | 2012-06-13 | 2012-10-03 | 广西来宾市天仁生物有机肥有限责任公司 | Belt-type household garbage sludge dewatering machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102205191A (en) * | 2010-03-31 | 2011-10-05 | 沈阳禹华环保有限公司 | Belt press filter for superfine and strong viscous materials |
| CN102205191B (en) * | 2010-03-31 | 2013-04-17 | 沈阳禹华环保有限公司 | Belt press filter for superfine and strong viscous materials |
| CN102701562A (en) * | 2012-06-13 | 2012-10-03 | 广西来宾市天仁生物有机肥有限责任公司 | Belt-type household garbage sludge dewatering machine |
| US10376893B2 (en) | 2012-07-24 | 2019-08-13 | Nordischer Maschinebau RUD. Baader GMBH + Co., KG | Chain link, support chain, and support device |
| CN104487235B (en) * | 2012-07-24 | 2017-03-08 | 北欧机械制造鲁道夫巴德尔有限及两合公司 | Chain link, supporting chain and supporting arrangement |
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| CN108883349A (en) * | 2016-09-05 | 2018-11-23 | 株式会社研电社 | Separator |
| CN107050971A (en) * | 2017-03-30 | 2017-08-18 | 通山新知力环保设备机械厂（普通合伙） | Roller is filtered in a kind of press filtration for belt type sludge filter press |
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| CN111872065A (en) * | 2020-08-07 | 2020-11-03 | 莱州洁宇机械设备有限公司 | Domestic waste handles and uses extrusion system |
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